Home / 7,136.74-10,703.05-2,753.18

Finding the Fourth Proportional to 7,136.74, 10,703.05 and 2,753.18

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Solution

The fourth proportional to 7,136.74, 10,703.05 and 2,753.18 is: 4,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.74 : 10,703.05 = 2,753.18 : x
  2. Step 2: Convert to fraction form
    7,136.74/10,703.05 = 2,753.18/x
  3. Step 3: Cross multiply
    7,136.74x = 10,703.05 × 2,753.18
  4. Step 4: Simplify right side
    7,136.74x = 29,467,423.20
  5. Step 5: Solve for x
    x = 29,467,423.20/7,136.74
  6. Step 6: Final answer
    x = 4,128.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.